In the year 2000, Uroboros Glass developed and began producing 104 Effetre-compatible sheet glass primarily as a superior substrate for dichroic coatings. The high-clarity formula was also designed to have a smooth viscosity curve, giving it easy and predictable working characteristics in either kiln fired or torch worked projects. Whether used as a dichroic substrate or for torch working together with other 104 colors, Uroboros’ consistent expansion year-in and year-out, it’s thorough annealing, and ease of cutting has made URO104 the preferred clear and black sheet stock for 104 users everywhere. Read More